Home / 1,855,249.60-2,782,582.80-657,000.40

Finding the Fourth Proportional to 1,855,249.60, 2,782,582.80 and 657,000.40

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Solution

The fourth proportional to 1,855,249.60, 2,782,582.80 and 657,000.40 is: 985,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,249.60 : 2,782,582.80 = 657,000.40 : x
  2. Step 2: Convert to fraction form
    1,855,249.60/2,782,582.80 = 657,000.40/x
  3. Step 3: Cross multiply
    1,855,249.60x = 2,782,582.80 × 657,000.40
  4. Step 4: Simplify right side
    1,855,249.60x = 1,828,158,012,633.12
  5. Step 5: Solve for x
    x = 1,828,158,012,633.12/1,855,249.60
  6. Step 6: Final answer
    x = 985,397.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.